References
[Garg and Tamassia, 1994]
Garg, Ashim and Tamassia, Roberto. Advances in graph drawing. Bonuccelli, M.; Crescenzi, P., and Petreschi, R., editor. Algorithms and complexity; 1994 Feb; Rome. Berlin; Heidelberg: Springer; 1994: 13-21. ISBN: 3-540-57811-0.
Cyberspace geography visualization - 15 October 1995
Luc Girardin, The Graduate Institute of International Studies